The MRCOOL Signature Series 3.5 Ton Air Handler is a powerful ducted unit. It is designed for medium-to-large homes and offers high efficiency. You can find it in our Accessories section for ducted split systems. Its multi-position design allows for installation in a variety of settings. It works with a matching condenser to provide whole-home heating and cooling. This unit is built to last and provides reliable comfort for years to progress.